package com.fbli;
//测试生产者消费者问题2:信号灯法，标志位解决
public class TestPC2 {
    public static void main(String[] args) {
        TV tv = new TV();
        new Player(tv).start();
        new Watcher(tv).start();
    }
}
//生产者-->演员
class Player extends Thread{
    TV tv;
    public Player(TV tv) {
        this.tv = tv;
    }

    @Override
    public void run() {
        for (int i = 0; i < 20; i++) {
            if (i%2==0){
                this.tv.play("快乐大本营播放中");
            }else {
                this.tv.play("哔哩哔哩干杯!");
            }
        }

    }
}
//消费者-->观众
class Watcher extends Thread{
    TV tv;
    public Watcher(TV tv) {
        this.tv = tv;
    }

    @Override
    public void run() {
        for (int i = 0; i < 20; i++) {
            this.tv.watch();
        }
    }
}
//产品-->节目
class TV{
    //演员表演，观众等待T
    //观众观看，演员等待F
    String voice;//表演的节目
    boolean flage=true;
    //表演
    public synchronized void play(String voice){
        if (!flage){
            try {
                this.wait();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
            System.out.println("演员表演了:" + voice);
            //通知观众观看
            this.notifyAll();
            this.voice = voice;
            this.flage = !this.flage;

    }
    //观看
    public synchronized void watch(){
        if (flage){
            try {
                this.wait();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
            System.out.println("观看了" + voice);
            this.notifyAll();
            this.flage = !this.flage;

    }
}